Live › vulnerability › CVE-2026-41091
Go to dashboardMicrosoft Defender contains a link following flaw that lets a locally authorized attacker elevate privileges on the machine. CISA lists it as actively exploited in the wild.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 5h before NVD. All times on this page are UTC.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| Microsoft Defender | vendor | – | – |
| microsoft malware protection engine | vendor | >= 1.1.26030.3008, < 1.1.26040.8 | 1.1.26040.8 |
Unknown from the sources.
Apply the mitigations per Microsoft's vendor instructions referenced by CISA; the sources do not name a patched version.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Microsoft Defender contains a link following vulnerability that allows an authorized attacker to elevate privileges locally.
CISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
This page as .md · .json · in your agent: get_signal("CVE-2026-41091")
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